The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 24, 2011
Filed:
Feb. 15, 2008
Applicant:
Cheol-soo Seo, Suwon-si, KR;
Inventor:
Cheol-Soo Seo, Suwon-si, KR;
Assignee:
Samsung Electronics Co., Ltd., Suwon-si, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04J 4/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A Radio Frequency (RF) front-end apparatus in a wireless communication system is provided. The apparatus includes a plurality of BandPass Filters (BPFs) for band-pass filtering a transmission signal or a reception signal, at least one circulator for dividing a signal transmission path and a signal reception path and at least one switch for controlling the signal transmission path and the signal reception path. The RF front-end apparatus provided by the present invention supports various frequency bands and optionally supports TDD and FDD in a wireless communication system.